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Traffic Impact Study March 24,2004 <br /> Proposed RMC Pacific Mining Site Page ES-2 <br /> EXECUTIVE SUMMARY (Continued) <br /> Blewett Road and Koster Road; <br /> ➢ Bird Road and Blewett Road; <br /> ➢ Bird Road and SR 132; <br /> ➢ Koster Road and SR 132; <br /> ➢ Welty Road and SR 132; <br /> ➢ McCracken Road and SR 132; <br /> ➢ Blewett Road and Welty Road; <br /> ➢ SR 132 and Interstate 5 interchange; <br /> ➢ SR 132 / Interstate 580 (westbound to northbound merge); <br /> ➢ Interstate 5 and Interstate 580 interchange (southbound merge). — <br /> This report includes analysis of the following road segments: <br /> ➢ Bird Road: Blewett Road to SR 132; <br /> ➢ SR 132: Chrisman Road to Bird Road; <br /> ➢ SR 132: Bird Road to Interstate 5; — <br /> ➢ SR 132: Interstate 5 to Koster Road; <br /> ➢ SR 132: Koster Road to McCracken Road; _ <br /> ➢ Blewett Road: Bird Road to Interstate 5; <br /> ➢ Blewett Road: Interstate 5 to Koster Road. <br /> The intersections listed above are identified in Figure 4, Intersection and Segment Location Map. <br /> The study time periods included the weekday AM peak hour, which typically occurs between <br /> 7:00 and 9:00 AM. The peak-hour scenarios were to be analyzed for the following conditions: <br /> 1. Existing Conditions <br /> 2. Existing With Seasonal Adjustments — <br /> 3. Cumulative Without Project(Existing Conditions plus Approved Projects) <br /> 4. Cumulative With Project—Haul Route 1 <br /> 5. Cumulative With Project—Haul Route 2 — <br /> 6. Future Conditions Without Project(Year 2025) <br /> 7. Future Conditions With Project—Haul Route 1 <br /> 8. Future Conditions With Project—Haul Route 2 — <br /> The PM peak hour, which typically occurs between 4:00 and 6:00 PM, was not analyzed because <br /> the project traffic is expected to decrease significantly between approximately 3:00 and 4:00 PM. — <br /> Generally-accepted traffic engineering principles and methods were employed to estimate the <br /> amount of traffic expected to be generated by the project and to analyze the traffic conditions — <br /> expected to exist in the future. The conclusion of this traffic impact study is that the existing <br /> road network is adequate or can be mitigated to accommodate the proposed development for <br /> opening year and future conditions. No specific impacts were identified as being caused by the — <br /> project. The conclusions and recommendations for each study intersection and road segment are <br /> presented below. <br />